-
Notifications
You must be signed in to change notification settings - Fork 40.2k
/
FilteredClassLoaderTests.java
124 lines (106 loc) · 4.47 KB
/
FilteredClassLoaderTests.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
/*
* Copyright 2012-2021 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.test.context;
import java.io.InputStream;
import java.net.URL;
import java.util.Enumeration;
import org.junit.jupiter.api.Test;
import org.springframework.core.io.ClassPathResource;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
/**
* Tests for {@link FilteredClassLoader}.
*
* @author Phillip Webb
* @author Roy Jacobs
*/
class FilteredClassLoaderTests {
static ClassPathResource TEST_RESOURCE = new ClassPathResource(
"org/springframework/boot/test/context/FilteredClassLoaderTestsResource.txt");
@Test
void loadClassWhenFilteredOnPackageShouldThrowClassNotFound() throws Exception {
try (FilteredClassLoader classLoader = new FilteredClassLoader(
FilteredClassLoaderTests.class.getPackage().getName())) {
assertThatExceptionOfType(ClassNotFoundException.class)
.isThrownBy(() -> Class.forName(getClass().getName(), false, classLoader));
}
}
@Test
void loadClassWhenFilteredOnClassShouldThrowClassNotFound() throws Exception {
try (FilteredClassLoader classLoader = new FilteredClassLoader(FilteredClassLoaderTests.class)) {
assertThatExceptionOfType(ClassNotFoundException.class)
.isThrownBy(() -> Class.forName(getClass().getName(), false, classLoader));
}
}
@Test
void loadClassWhenNotFilteredShouldLoadClass() throws Exception {
FilteredClassLoader classLoader = new FilteredClassLoader((className) -> false);
Class<?> loaded = Class.forName(getClass().getName(), false, classLoader);
assertThat(loaded.getName()).isEqualTo(getClass().getName());
classLoader.close();
}
@Test
void loadResourceWhenFilteredOnResourceShouldReturnNotFound() throws Exception {
try (FilteredClassLoader classLoader = new FilteredClassLoader(TEST_RESOURCE)) {
final URL loaded = classLoader.getResource(TEST_RESOURCE.getPath());
assertThat(loaded).isNull();
}
}
@Test
void loadResourceWhenNotFilteredShouldLoadResource() throws Exception {
try (FilteredClassLoader classLoader = new FilteredClassLoader((resourceName) -> false)) {
final URL loaded = classLoader.getResource(TEST_RESOURCE.getPath());
assertThat(loaded).isNotNull();
}
}
@Test
void loadResourcesWhenFilteredOnResourceShouldReturnNotFound() throws Exception {
try (FilteredClassLoader classLoader = new FilteredClassLoader(TEST_RESOURCE)) {
final Enumeration<URL> loaded = classLoader.getResources(TEST_RESOURCE.getPath());
assertThat(loaded.hasMoreElements()).isFalse();
}
}
@Test
void loadResourcesWhenNotFilteredShouldLoadResource() throws Exception {
try (FilteredClassLoader classLoader = new FilteredClassLoader((resourceName) -> false)) {
final Enumeration<URL> loaded = classLoader.getResources(TEST_RESOURCE.getPath());
assertThat(loaded.hasMoreElements()).isTrue();
}
}
@Test
void loadResourceAsStreamWhenFilteredOnResourceShouldReturnNotFound() throws Exception {
try (FilteredClassLoader classLoader = new FilteredClassLoader(TEST_RESOURCE)) {
final InputStream loaded = classLoader.getResourceAsStream(TEST_RESOURCE.getPath());
assertThat(loaded).isNull();
}
}
@Test
void loadResourceAsStreamWhenNotFilteredShouldLoadResource() throws Exception {
try (FilteredClassLoader classLoader = new FilteredClassLoader((resourceName) -> false)) {
final InputStream loaded = classLoader.getResourceAsStream(TEST_RESOURCE.getPath());
assertThat(loaded).isNotNull();
}
}
@Test
void publicDefineClassWhenFilteredThrowsException() throws Exception {
Class<FilteredClassLoaderTests> hiddenClass = FilteredClassLoaderTests.class;
try (FilteredClassLoader classLoader = new FilteredClassLoader(hiddenClass)) {
assertThatIllegalArgumentException()
.isThrownBy(() -> classLoader.publicDefineClass(hiddenClass.getName(), new byte[] {}, null));
}
}
}